[Mesa-dev] [PATCH] st/mesa: use surface format to generate mipmaps when available
Roland Scheidegger
sroland at vmware.com
Thu Jan 14 11:25:04 PST 2016
Looks good to me.
Reviewed-by: Roland Scheidegger <sroland at vmware.com>
Am 14.01.2016 um 19:46 schrieb Ilia Mirkin:
> This fixes the recently posted mipmap + texture views piglit test.
>
> Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
> Cc: "11.0 11.1" <mesa-stable at lists.freedesktop.org>
> ---
> src/mesa/state_tracker/st_gen_mipmap.c | 10 ++++++++--
> 1 file changed, 8 insertions(+), 2 deletions(-)
>
> diff --git a/src/mesa/state_tracker/st_gen_mipmap.c b/src/mesa/state_tracker/st_gen_mipmap.c
> index 3e6c0a7..c4b3492 100644
> --- a/src/mesa/state_tracker/st_gen_mipmap.c
> +++ b/src/mesa/state_tracker/st_gen_mipmap.c
> @@ -80,6 +80,7 @@ st_generate_mipmap(struct gl_context *ctx, GLenum target,
> struct st_texture_object *stObj = st_texture_object(texObj);
> struct pipe_resource *pt = st_get_texobj_resource(texObj);
> const uint baseLevel = texObj->BaseLevel;
> + enum pipe_format format;
> uint lastLevel, first_layer, last_layer;
> uint dstLevel;
>
> @@ -149,16 +150,21 @@ st_generate_mipmap(struct gl_context *ctx, GLenum target,
> last_layer = util_max_layer(pt, baseLevel);
> }
>
> + if (stObj->surface_based)
> + format = stObj->surface_format;
> + else
> + format = pt->format;
> +
> /* First see if the driver supports hardware mipmap generation,
> * if not then generate the mipmap by rendering/texturing.
> * If that fails, use the software fallback.
> */
> if (!st->pipe->screen->get_param(st->pipe->screen,
> PIPE_CAP_GENERATE_MIPMAP) ||
> - !st->pipe->generate_mipmap(st->pipe, pt, pt->format, baseLevel,
> + !st->pipe->generate_mipmap(st->pipe, pt, format, baseLevel,
> lastLevel, first_layer, last_layer)) {
>
> - if (!util_gen_mipmap(st->pipe, pt, pt->format, baseLevel, lastLevel,
> + if (!util_gen_mipmap(st->pipe, pt, format, baseLevel, lastLevel,
> first_layer, last_layer, PIPE_TEX_FILTER_LINEAR)) {
> _mesa_generate_mipmap(ctx, target, texObj);
> }
>
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